【題目】The hero said he didn’t think twice ____ diving into the freezing river to rescue that child.

A. before B. after C. until D. when

【答案】A

【解析】句意：這位英雄說(shuō)他沒(méi)有三思跳進(jìn)冰凍的河里去救那個(gè)孩子not …before 為固定搭配，not...until...著重的是結(jié)果，not...before...著重的是過(guò)程，not before 不早于not until 直到.才.not until 一般不放在句首，如果放在句首一般就是強(qiáng)調(diào)倒裝句。 before 放在句首也并不表示很強(qiáng)的強(qiáng)調(diào)。 在很正式的場(chǎng)合多用 before。

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